Serving our customers with quality and safety first.
2a
RIGHT-Hand
1.745in. ⁓1-3/4"
1.810in. and 1.830in. ⁓1-27/32"
knurled no. 1
1.240in. and 1.260in.
0.305in. ⁓5/16"
oval
0.375in. ⁓3/8"
20
copper alloy 462 or copper alloy 464 or copper alloy 482 or copper alloy 485
QQ-B-637 fed spec 1st material response or QQ-B-639 fed spec 2nd material response
uns
1EA
Uns
Copper alloy 462 or copper alloy 464 or copper alloy 482 or copper alloy 485
20
Knurled no. 1
1.745 inches minimum
Right-hand
2a
Schedule B number: 7415338550
nmfc 096630
Other copper screws (not for wood) bolts and nuts
FSC 5305 ⁓ Screws
uns thread series 20 thread quantity per inch knurled no. 1 head style 1.745" thread length right-hand 2a thread class
Nothing similar to this part number was found in our inventory
An externally threaded fastener whose threaded portion is of one nominal diameter. it may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. it has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. for items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).